package com.atguigu.gulimall.product.service.impl;

import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;
import com.atguigu.gulimall.product.dao.SkuInfoDao;
import com.atguigu.gulimall.product.entity.SkuInfoEntity;
import com.atguigu.gulimall.product.service.SkuInfoService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

    /*
    page: 1,//当前页码
    limit: 10,//每页记录数
    sidx: 'id',//排序字段
    order: 'asc/desc',//排序方式
    key: '华为',//检索关键字
    catelogId: 0,
    brandId: 0,
    min: 0,
    max: 0
     */
    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SkuInfoEntity> wrapper = new QueryWrapper<>();
        String key = (String) params.get("key");
        if(StringUtils.isNotBlank(key)) {
            wrapper.and(w -> {
                w.eq("sku_id",key).or().like("sku_name",key);
            });
        }
        String catelogId = (String) params.get("catelogId");
        if (StringUtils.isNotBlank(catelogId) && !catelogId.equals("0")) {
            wrapper.eq("catalog_id",catelogId);
        }
        String brandId = (String) params.get("brandId");
        if (StringUtils.isNotBlank(brandId) && !brandId.equals("0")) {
            wrapper.eq("brand_id",brandId);
        }
        String min = (String) params.get("min");
        if (StringUtils.isNotBlank(min)) {
            wrapper.ge("price",min);
            String max = (String) params.get("max");
            BigDecimal maxBig = new BigDecimal(max);
            BigDecimal bigDecimal = new BigDecimal(0);
            if(StringUtils.isNotBlank(max) && maxBig.compareTo(bigDecimal) > 0) {
                wrapper.le("price",max);
            }
        }
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                wrapper
        );
        List<SkuInfoEntity> records = page.getRecords();
        PageUtils pageUtils = new PageUtils(page);
        pageUtils.setList(records);
        return pageUtils;
    }

}
